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Conditions at Shipwreck Bay in May
May: The Shoulder Fades
The clean summer regime gives way to May's heavier, more unsettled surf. Average swell size climbs to 7ft (2.2m) while period holds at 12.8s, but ideal offshore wind drops to just 21 percent. Swell direction is still SW-heavy (35.1 percent SW), though WSW (10.2 percent), SSW (8.6 percent) and W (5.0 percent) broaden the energy window. Interestingly, N/NNE/NE/NNW swell increases slightly to around 4.5 percent-still scarce, but more likely than in summer. Wind is the weak link: SSW (10.7 percent), SW (9.8 percent) and S (8.9 percent) share the offshore role, but stronger W/WSW winds and a spike in precipitation to 3.20mm/day herald winter. When a high-pressure system sits to the south and a low approaches from the Tasman, May can still deliver memorable, powerful sessions.
Average Spot conditions at Shipwreck Bay in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Shipwreck Bay during May. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Shipwreck Bay for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Shipwreck Bay for May. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Shipwreck Bay.